体外循环心内直视手术时血小板聚集功能和数量变化的初步观察,’’·····-······,·····················……,’·················……顾严已等(1)慢性阻塞性肺部疾病细胞免疫功能低下的初步研究···……胡炳熊等(6)原发性? Initial observation of platelet aggregation function and quantity changes during cardiopulmonary bypass with open heart surgery. " ············································································································· Gu Guanyi et al (1) Preliminary study of cellular immune dysfunction in chronic obstructive pulmonary disease · ...... Hu Bing Xiong Deng (6) Primary?